Abiotic vs Biotic

A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on .

• Biotic Factors 
• Abiotic Factors 

Which of the following lists has ONLY Biotic factors?
 

• snail, algae, guppy, sunlight
• temperature, Daphnia (water flea), snail, guppy (fish)
• snail, guppy (fish), Daphnia (water flea), algae
• temperature, pH, conductivity, nitrite concentration

Which of the following is considered to be an abiotic factor in the environment?

• Water
• Trees
• Plants
• Coral

A living or once-living organisms in an ecosystem is a(n)?

• population
• biotic factor
• abiotic factor
• community

Temperature

• Biotic

• Abiotic

​ (a)   factors are anything that is not and was never living

• Abiotic
• Biotic

Match the following

• living things

• Abiotic

•  the relationship between living and nonliving parts of the environment

• Ecosystem

• Nonliving things

• Biotic

Skeletons

• Biotic

• Abiotic

Answer explanation

Skeletons belong to animals that WERE ONCE living, therefore they are biotic factors

Salinity (How salty something is, usually water)

• Biotic

• Abiotic

Bacteria

• Biotic

• Abiotic